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Challenger CL604/605 renamed > CL605 General Knowledge > Flashcards

CL605 General Knowledge Flashcards

1
Q

APU battery description

A

24 volt, 43 amp/hour in aft equipment bay

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2
Q

Main Battery description

A

24 volt, 17 amp/hour

(605 - in nose section, 604 in rear equipment bay.)

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3
Q

DC Essential Bus sources of power

A
  • Ess TRU 1
  • Ess TRU 2
  • APU Batt Direct Bus (DC Essential contactor)
  • Main Batt Direct Bus (Emergency DC transfer contactor)
  • External DC
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4
Q

Battery Bus sources of power

A
  • Ess TRU 1
  • Ess TRU 2
  • APU Batt Direct Bus (Battery Master must be on)
  • Main Batt Direct Bus (Battery Master must be on)
  • External DC
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5
Q

DC Emer Bus - purpose and sources of power

A
  • APU Batt Direct Bus (APU or external power)
  • Battery Bus (5 sources of DC power)
  • Always Powered - provides power for fire extinguishers and hydraulic shut-off valves
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6
Q

ADG Unit test light times

A

On the ground: after 2 secs, illuminates for 2 secs

In the air: after 5 secs, illuminates for 2 secs

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7
Q

Engine driven IDG description

A

IDG is a generator and a constant-speed drive combined.

Provides 115 volt AC, 400 Hz, three-phase power.

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8
Q

Generator control units - function

A

Monitors its IDG. Provides bus priority logic.

Trips-off and removes the generator from it’s AC bus if it detects:

  1. Over/under voltage;
  2. Over/under frequency;
  3. Gen and Bus overcurrent
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9
Q

AC Bus priority logic

A
  1. On-side engine-driven generator
  2. APU generator
  3. Cross-side engine-driven generator4. External AC power
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10
Q

ADG power decription

A

115 volt, 400 Hz, 15 Kva

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11
Q

Refueling pressure limitations

A

Max pressure - fuelling: 50 psi

Max defuelling pressure: -8 psi

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12
Q

Conditioned air distribution

A

Left pack: 60% cockpit, 40% cabin

Right pack: 100% cabin

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13
Q

Minimum taxi strip width for 180º turn with a 3 foot safety margin

A

61 feet

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14
Q

Criteria for inhibiting take-off EICAS messages

A
  • Both engines N1 > 79%
  • > 80 KIAS
  • Weight on Wheels
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15
Q

EICAS take-off inhibit cancellation criteria

A

Rad alt exceeds 400 feet

Both engines N1 < 79 %

30 seconds elapsed since take-off initiated

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16
Q

Autopilot engagement criteria

A
  • At least 1 yaw damper
  • Both flight control computers powered on
  • 1 Air Data Computer available
  • No significant aircraft instability exists
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17
Q

Cabin altitude at which pax oxygen masks auto deploy

A

14,500 feet cabin alt

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18
Q

Vertical take-off mode initial pitch angles (TOGA button => TO TO displayed on PFD)

A

CL604: 12 degrees pitch up. (FlightSafety PTM 16-180 and Bombardier PTG 4-48)

CL605: 14 degrees pitch up. (Bombardier PTG 4-54)

Engine failure: 10 degrees (604 and 605)

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19
Q

TOGA button functions

A
  • Disengages autopilot
  • Activates vertical and lateral Go-Around mode (Generates 10 degree pitch-up command)
20
Q

Oxygen low pressure EICAS message trigger pressure

A

825 psi

21
Q

WSHLD/WIND switch functions

A

LOW: windshields and windows at low heat.

HI: windshields at high temp, side windows remain at low.

22
Q

Ice detection probe heat cycles

A

Heated for 5 seconds, heat of for 55 seconds

23
Q

Cowl anti-ice valves decription

A

Electrically controlled, pneumatically operated, pressure regulation valves. Fail safe open. Cowl anti-ice inhibited by reverser use.

24
Q

Wing anti-ice valve description

A

Electrically controlled, pneumatically operated pressure regulating valve. Fail-safe closed.

25
Q

Wing anti-ice standby mode function

A

Anti-ice controller by-passed. Both wing anti-ice valves controlled by their standby thermal switch.

26
Q

14th stage bleed valves description

A

Electrically controlled, pneumatically operated, full open or closed valves. Fail safe open.

27
Q

Fire bottle pressure

A

600-625 psiOver-pressure relief at 1400 psi

28
Q

Fuel flow value at which amber dashes displayed

A

5000 lbs/hr or invalid data

29
Q

EMER PWR ONLY EICAS message meaning

A

ADG powering AC essential bus. No power to AC bus 1 or 2

30
Q

Minimum APU bleed air pressure for engine start

A

40 psi

31
Q

Minimum air pressure from air start cart for engine start

A

45 psi

32
Q

Minimum engine cross-bleed air pressure for engine start

A

60 psi

33
Q

Power setting at which engine control switches between mechanical only and mechanical/electronic

A

<79 % N1 - mechanical only (FCU controls N2)>79 % N1 - FCU and electronic control (ECU controls N1)

34
Q

Effect of switching ENG SPEED off

A

If at power settings >79 % N1, engines revert to N2 speed control. Overtemp and rapid accelerations can occur.

35
Q

RPM difference at which ATS disengages

A

13% N1

36
Q

RPM at which APR is armed during take-off

A

79% N1

37
Q

RPM at which APR commands engines to increase N1 speed by 2 %

A

67.6% N1

38
Q

Anti-skid operation criteria

A

(Armed and gear down/locked)35 knot wheel spin-upOrWOW for 5 seconds. Operational down to 10 knots wheel speed

39
Q

Nominal hydraulic pressure

A

3000 psi

40
Q

Hydraulic accumulator precharge pressure

A

1500 psi (nitrogen)

41
Q

Pressure at which hydraulic system 3 pressure is cut-off from landing gear selector valves

A

2100 psi

42
Q

Normal hydraulic fluid quantity

A

45%-85%

43
Q

Maximum hydraulic fluid temperature

A

95ºC

44
Q

WOW ground mode requirements

A

Any 3 of the 4 main gear prox sensors indicate weight on wheels

45
Q

In case of loss of hydraulic system 2 and 3, number of brake applications available from accumulator pressure (anti-skid off)

A

6 applications (approx) - no anti-skid

(System 2 or 3 failure - other system anti-skid still available but only 50% braking power)

46
Q

Sources of power for left and right Packs

A

Left pack: DC essential bus

Right pack: DC bus 2

Challenger CL604/605 renamed (8 decks)

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